You choose the voice. We produce the audio.
For publishers producing at scale
Bulk audiobook publishing, handled for you.
You already did the hard part: you built hundreds or thousands of books. Solti turns the KDP library you already own into a distributed audiobook catalog—without hiring narrators, building an audio department, or uploading every title yourself.
Activate your backlistReach audiobook listenersNo production team required
1 Catalog in3 Audiobooks out
Book filesPUBLICATION READY
MetadataONE BULK TEMPLATE
Voice choiceSELECT BY TITLE
Google Play
BooksSpotifyAudibleApple Books
BooksSpotifyAudibleApple Books
We run the whole publishing line.AI audio, preparation, uploads, distribution, and tracking.
One managed service
The entire process.
Your catalog moves through one connected publishing line. We manage every technical handoff from manuscript to retailer.
Chapters, files, metadata, and validation.
We enter and submit every accepted title.
We track the catalog across distribution channels.
Your catalog is already an asset
Stop making one format do all the work.
A text-only KDP library can reach readers only when they can stop and read. Audio keeps your books available when reading is not: during commutes, workouts, chores, travel, and screen breaks. You are not creating another library. You are putting the library you already own in front of another audience.
Meet customers in motion.
Your books can go where print and ebooks cannot: the car, the gym, the walk, and the workday.
Give the backlist another launch.
Older titles can be rediscovered when they enter a new format, storefront, and recommendation system.
Add another way to earn.
One completed book can become another sellable format without another manuscript or another writing cycle.
Occupy more digital shelves.
Show up across audiobook retailers, subscription services, and library channels where your ebooks are absent.
How it works
Hand us the catalog. We take it from there.
Solti is a managed, end-to-end audiobook publishing service for high-volume catalogs. Your team avoids the repetitive technical work and moves every accepted title through one bulk process.
Send the finished catalog.
Use our bulk template for book metadata, source files, cover images, AI voice choices, and secure working access to your publishing accounts.
We build the audiobooks.
AI audio creation, chapters, file preparation, validation, and publishing assets are handled for every accepted title.
We publish in your accounts.
With the access you provide, we enter the metadata, upload the files, submit the titles, and track exceptions directly inside the accounts you control.
The handoff
You provide the books. We handle the tough details.
Your team stays focused on producing books. Solti handles the audiobook production and distribution work that does not scale gracefully by hand.
What you provide
01Finished, publication-ready books
02Catalog metadata in our bulk template
03Your chosen AI voice for each title
04Secure working access to your publishing accounts
05Formatted covers—or choose our image option
What Solti handles
✓AI audio creation at no extra charge
✓Chapter, audio, and technical preparation
✓Publishing directly inside your accounts
✓Distribution, exceptions, tracking, and handoff
Distribution
One bulk process. A wide audiobook footprint.
We publish through Google Play Books and Spotify, then use INaudio to distribute eligible titles across major audiobook retailers, subscription services, and library channels.
Google Play Books
Spotify
INaudio network
Your catalog can reach
audibleAN AMAZON COMPANY
Apple BooksAUDIOBOOKS
koboRAKUTEN
Barnes & NobleAUDIOBOOKS
Audiobooks.comLISTEN ANYWHERE
chirpAUDIOBOOK DEALS
Libro.fmINDEPENDENT AUDIOBOOKS
hooplaDIGITAL LIBRARY
OverDriveLIBRARY NETWORK
StorytelSTORIES EVERYWHERE
Bookshop.orgSUPPORTING BOOKSTORES
Retailer availability and acceptance vary by title, territory, and platform.
Platform standards
Published by the rules. Prepared like professionals.
Bulk does not mean careless. We prepare each title for the platform receiving it—using the required disclosures, file specifications, metadata fields, rights information, pricing inputs, and review workflow. No disguised AI narration. No shortcut submissions. No promises that pretend retailers do not control their own approvals.
Compliance-firstRights • disclosure • specifications • review
G
Google Play Books
- Confirm eligible ebooks and audiobook rights before production.
- Use the correct synthesized-voice identification, metadata, pricing, territories, and cover format.
- Review processing issues and correct them before publication.
S
Spotify
- Declare digital voice narration wherever Spotify requires it.
- Prepare accepted audio, square artwork, chapters, samples, and complete metadata.
- Submit through the authorized publisher workflow and monitor title processing.
IN
INaudio & retailers
- Send only eligible titles through the approved distribution path.
- Complete retailer and library pricing, rights, territory, and catalog details.
- Respect outlet-specific acceptance decisions instead of forcing one file everywhere.
You keep control of your catalog—and your accounts.
Your retailer accounts remain yours. You grant Solti working access so we can publish directly inside them, while you retain ownership, visibility, and long-term control of the catalog.
Platform policies and title eligibility can change. Retailers make final acceptance decisions. Solti follows the current published requirements at the time each title is prepared and submitted.
AI voices
Choose the voice. We handle everything after that.
Our audiobook service works strictly with AI voices. Select an available voice direction for the catalog or set it by title in the bulk template.
AI AUDIO INCLUDED AT NO EXTRA CHARGEMale voice
Select from the available voice samples for the titles that need it.
Female voice
Select from the available voice samples for the titles that need it.
A quote built for your catalog
Tell us the size. We will price the job.
Every catalog has a different mix of titles, files, and cover readiness. Tell us how many books you want to publish and whether your audiobook covers are already formatted. We will review the scope and send you a firm quote.
No complicated estimate builder.You give us two practical details. We assess the catalog and quote the work clearly.
What the service covers
- AI audio creation
- Bulk catalog intake and validation
- Chapter and audio preparation
- Metadata and platform uploads
- Google, Spotify, and INaudio workflow
- Distribution tracking and handoff
Built for volume
For publishers with more books than production time.
AI-assisted publishing houses
You produce books quickly. We prevent audiobook production and distribution from becoming the bottleneck.
Backlist owners
Turn an existing ebook catalog into an audiobook catalog without staffing an internal audio department.
High-volume publishers
Move hundreds or thousands of titles through one managed process instead of repeating platform work by hand.
Writing services available
Need the books, too? We can build the catalog before the audio.
Bring us a niche, a publishing goal, or the beginning of an idea. We can develop a repeatable editorial system and produce at catalog scale.
Bulk ideation
Catalog themes, series concepts, titles, positioning, and an organized production roadmap.
Persona creation
Consistent author voices, audience profiles, tone rules, and reusable writing direction.
Book blueprints
Structured outlines, chapter plans, research direction, and repeatable series frameworks.
Bulk writing
Managed manuscript production with editorial consistency across individual books or complete series.
Available by request. Estimated per project.Scope depends on catalog size, subject matter, research needs, length, and editorial requirements.
Ask about writing services →Bulk audiobook publishing FAQ
What KDP publishers need to know.
Clear answers about converting an existing KDP library, the catalog handoff, AI narration, audiobook cover images, quotes, and distribution.
Why publish my existing KDP books as audiobooks?
Your finished KDP books already contain the intellectual property and content. Audio creates another format that can reach listeners during commutes, exercise, chores, travel, and other times when they cannot read a print book or ebook.
What is a bulk audiobook publishing service?
It is a managed service that turns a group of finished books into published audiobooks through one coordinated workflow. Solti handles AI narration, audio and chapter preparation, metadata entry, platform uploads, exception tracking, and distribution.
What files and information do I provide?
You provide publication-ready book files, catalog metadata using our bulk template, an available AI voice choice for each title, either formatted audiobook covers or short cover direction, and secure working access to the publishing accounts you own.
Do I keep control of my publishing accounts?
Yes. The Google, Spotify, and distribution accounts remain yours. You grant Solti the working access needed to publish directly into them, and you retain ownership, visibility, and control after the project is complete.
Is AI narration part of the publishing service?
Yes. AI audio creation is included as part of the managed publishing service. Solti works strictly with AI voices, and you select from the available voice options.
Where will my audiobooks be published?
Solti publishes through Google Play Books and Spotify and uses INaudio for eligible distribution to audiobook retailers, subscription services, and library channels. Availability and acceptance vary by title, territory, and platform.
What if my cover images are not audiobook-ready?
You may supply correctly formatted audiobook cover images. If you do not have them, Solti can include cover creation and formatting in your custom catalog quote using the direction you provide.
How is my publishing quote determined?
Your quote is based primarily on the number of books in the catalog and whether you provide formatted audiobook covers or need Solti to create and format them.
Give us the books.
Get back audiobooks.
Tell us how many finished books you have and whether your cover images are formatted. We will review the catalog and send you a firm quote.
Request a catalog quoteInquiry delivery will be connected before public launch.